422143240424234 has 128 divisors (see below), whose sum is σ = 776285013504000. Its totient is φ = 168164439386112.

The previous prime is 422143240424197. The next prime is 422143240424237. The reversal of 422143240424234 is 432424042341224.

It is a super-3 number, since 3×422143240424234³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422143240424191 and 422143240424200.

It is not an unprimeable number, because it can be changed into a prime (422143240424237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1778232557 + ... + 1778469935.

It is an arithmetic number, because the mean of its divisors is an integer number (6064726668000).

Almost surely, 2^{422143240424234} is an apocalyptic number.

422143240424234 is a deficient number, since it is larger than the sum of its proper divisors (354141773079766).

422143240424234 is a wasteful number, since it uses less digits than its factorization.

422143240424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238100.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 422143240424234 its reverse (432424042341224), we get a palindrome (854567282765458).

The spelling of 422143240424234 in words is "four hundred twenty-two trillion, one hundred forty-three billion, two hundred forty million, four hundred twenty-four thousand, two hundred thirty-four".